ccpr: Handle winding and even-odd in the same shader

We are already waiting for an entire texture lookup anyway. A couple
extra flops should still complete before the texture fetch. This also
gives us better batching.

TBR=bsalomon@google.com

Bug: skia:
Change-Id: I7b8e3021c8baad200af99600c9592df5ed0e46bd
Reviewed-on: https://skia-review.googlesource.com/129881
Reviewed-by: Chris Dalton <csmartdalton@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Auto-Submit: Chris Dalton <csmartdalton@google.com>
9 files changed